Delta Air Lines, Inc.
Close on Nov 2, 2026Market cap $54.86BP/E 16.7Yield 0.81%
Delta Air Lines Non-Fuel Unit Cost / CASM-Ex (¢/ASM): 14 in FY2025, up 2.4% from a year earlier.
Where the FY2025 figure comes from
Source: Delta Form 8-K Earnings Release (2026-01-13) ↗
Beginning in 2026 (with retrospective figures for 2025 quarters), Delta additionally excludes third-party MRO expense from CASM-Ex to purely reflect the airline's core seat-mile operating costs.
Annual history
Hover a value to see the sentence it was read from; calculated values show their formula
| Period | Ended | Non-Fuel Unit Cost / CASM-Ex (¢/ASM) | Year on year | Source |
|---|---|---|---|---|
| FY2025 | Dec 31, 2025 | 14 | +2.4% | Delta Form 8-K Earnings Release (2026-01-13) ↗ |
| FY2024 | Dec 31, 2024 | 14 | +2.8% | Delta Form 8-K Earnings Release (2026-01-13) ↗ |
| FY2023 | Dec 31, 2023 | 13 | +2.3% | Delta Form 8-K Earnings Release (2025-01-10) ↗ |
| FY2022 | Dec 31, 2022 | 13 | +6.2% | Delta Form 8-K Earnings Release (2024-01-12) ↗ |
| FY2021 | Dec 31, 2021 | 12 | -22.4% | Delta Form 8-K Earnings Release (2022-01-13) ↗ |
| FY2020 | Dec 31, 2020 | 16 | +43.5% | Delta Form 8-K Earnings Release (2021-01-14) ↗ |
| FY2019 | Dec 31, 2019 | 11 | – | Delta Form 8-K Earnings Release (2023-01-13) ↗ |
Breakdown
What makes up non-Fuel Unit Cost / CASM-Ex (¢/ASM)
Cite this data
StockData. (2026). Delta Air Lines Non-Fuel Unit Cost / CASM-Ex (¢/ASM), annual FY2019–FY2025 [Data set]. Compiled from Delta Air Lines SEC filings and investor materials. https://stockdatahq.com/stocks/dal/kpis/casm-ex
See every metric in the Delta Air Lines KPI table. Data updated Nov 1, 2026.